18638264

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{54181}}^1$

素因数の和:54230

約数の個数: 16

約数和(自身を含む): 35760120

約数和(自身を除く): 17121856

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 54181, 108362, 216724, 433448, 2329783, 4659566, 9319132, 18638264]

約数ペア:

[(1, 18638264), (2, 9319132), (4, 4659566), (8, 2329783), (43, 433448), (86, 216724), (172, 108362), (344, 54181)]